2026 GMC Sierra 2500HD Denali 4D Crew Cab 4WD 10-Speed Automatic Duramax 6.6L V8 Turbodiesel Onyx Black Denali Reserve Package (Power Sunroof), Gooseneck/5th Wheel Prep Package, Max Trailering Package, Preferred Equipment Group 5SA (120-Volt Bed Mounted Power Outlet, 120-Volt Instrument Panel Power Outlet, 2 Charge-Only Rear USB Ports, 2 Charge/Data USB Ports Inside Center Console, 2 USB Ports, 2-Speed Active Transfer Case, Bed View Camera with Two Trailer Camera Provisions, Bose Premium 7-Speaker Sound System, Deep-Tinted Glass, Electric Rear-Window Defogger, Floor-Mounted Center Console, Front Rain-Sensing Wipers, HD Surround Vision, Heated 2nd Row Outboard Seats, Heated Driver and Front Outboard Passenger Seats, Keyless Open and Start, LED Cargo Area Lighting, LED Smoked Amber Roof Marker Lamps, Manual Tilt-Wheel/Telescoping Steering Column, OnStar Services Capable, Polished Exhaust Tip, Power Front Passenger Windows with Express Up/Down, Power Sliding Rear Window with Defogger, Push Button Start, Rear Cross Traffic Alert, Rear Wheelhouse Liners, Remote Vehicle Starter System, Safety Alert Seat, Signature Chrome Denali Grille, SiriusXM with 360L Trial Subscription, Spray-on Pickup Bedliner with GMC Logo, Steering Wheel Audio Controls, Trailer Cam Provisions and Trailer Viewing Software, Trailer Side Blind Zone Alert, Ultrasonic Front and Rear Park Assist, Unauthorized Entry Theft-Deterrent System, Universal Home Remote, Ventilated Driver and Front Passenger Seats, Wireless Charging, and Wireless Phone Projection), Technology Package (Inside Rearview Auo-Dimming Rear Camera Mirror and Multicolor 15" Diagonal Head-Up Display), X31 Off-Road Package (Hill Descent Control and Off-Road Suspension), 10-Speed Automatic, 4WD, Atmosphere/Brownstone Leather, 12-Way Power Driver Seat Adjuster with Lumbar, 12-Way Power Passenger Seat Adjuster with Lumbar, 220-Amp Alternator, 4-Wheel Disc Brakes, 7 Speakers, ABS brakes, Air Conditioning, Alloy wheels, AM/FM radio: SiriusXM with 360L, Apple CarPlay/Android Auto, Auto High-beam Headlights, Auto-dimming door mirrors, Auto-dimming Rear-View mirror, Automatic Emergency Braking, Automatic temperature control, Brake assist, Buckle to Drive, Bumpers: body-color, Compass, Delay-off headlights, Driver door bin, Driver Memory, Driver vanity mirror, Dual front impact airbags, Dual front side impact airbags, Electronic Stability Control, Emergency communication system: OnStar, Engine Block Heater, Exhaust Brake, Following Distance Indicator, Forge Perforated Leather-Appointed Front Seat Trim, Forward Collision Alert, Front anti-roll bar, Front Bucket Seats, Front Center Armrest, Front dual zone A/C, Front fog lights, Front License Plate Kit, Front Pedestrian Braking, Front reading lights, Front wheel independent suspension, Fully automatic headlights, Garage door transmitter, Genuine wood dashboard insert, Genuine wood door panel insert, Heated door mirrors, Heated front seats, Heated rear seats, Heated steering wheel, Heavy-Duty 80 Amp Battery, Hitch Guidance with Hitch View, Illuminated entry, in-Vehicle Trailering System App, IntelliBeam Automatic High Beam on/Off, Lane Departure Warning System, Low tire pressure warning, Memory seat, Occupant sensing airbag, Outside temperature display, Overhead airbag, Overhead console, Panic alarm, Passenger door bin, Passenger vanity mirror, Pickup Box, Power door mirrors, Power driver seat, Power passenger seat, Power steering, Power windows, Premium audio system: Premium GMC Infotainment System, Radio: AM/FM Stereo with Premium GMC Infotainment System, Rain sensing wipers, Rear reading lights, Rear seat center armrest, Rear step bumper, Rear window defroster, Remote keyless entry, Security system, Speed control, Speed-sensing steering, Split folding rear seat, Steering wheel mount Price includes: $1000 - GMC Incremental Consumer Cash Program. Exp. 09/30/2026 $1500 - Buick & GMC Consumer Cash Program. Exp. 09/30/2026 $2000 - GMC Bonus Cash. Exp. 09/30/2026